Select Optimal Design (Factorial)
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Stat > DOE > Factorial > Select Optimal Design

Use to select design points based on some criteria to achieve an optimal design that is a subset of a general full factorial design. You can use Select Optimal Design to:

·    Select an "optimal" set of design points

·    Augment (add points to) an existing design

·    Improve the D-optimality of an existing design

·    Evaluate and compare designs

Dialog box items

Number of points in optimal design: Enter the number of points to be selected for the optimal design. The number of points must be at least as many design points as there are terms in the model.

Task

Select optimal design: Choose to select an optimal design.

Augment/improve design (you may optionally provide an indicator column that you created): Choose to augment or improve an existing design. If you like, enter an indicator column in the box to define the initial design.

Evaluate design (you may optionally provide an evaluate column that you created): Choose to evaluate a design. If you like, enter an evaluate column in the box to specify which worksheet rows to include in the design.

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